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Text File | 1992-10-23 | 12.2 KB | 175 lines

(defvar c-mode-abbrev-table nil "\ Abbrev table in use in C-mode buffers.") (define-abbrev-table (quote c-mode-abbrev-table) nil) (defvar c-mode-map nil "\ Keymap used in C mode.") (if c-mode-map nil (setq c-mode-map (make-sparse-keymap)) (define-key c-mode-map "{" (quote electric-c-brace)) (define-key c-mode-map "}" (quote electric-c-brace)) (define-key c-mode-map ";" (quote electric-c-semi)) (define-key c-mode-map ":" (quote electric-c-terminator)) (define-key c-mode-map "" (quote mark-c-function)) (define-key c-mode-map "" (quote indent-c-exp)) (define-key c-mode-map "" (quote backward-delete-char-untabify)) (define-key c-mode-map " " (quote c-indent-command))) (autoload (quote c-macro-expand) "cmacexp" "\ Display the result of expanding all C macros occurring in the region. The expansion is entirely correct because it uses the C preprocessor." t) (defvar c-mode-syntax-table nil "\ Syntax table in use in C-mode buffers.") (if c-mode-syntax-table nil (setq c-mode-syntax-table (make-syntax-table)) (modify-syntax-entry 92 "\\" c-mode-syntax-table) (modify-syntax-entry 47 ". 14" c-mode-syntax-table) (modify-syntax-entry 42 ". 23" c-mode-syntax-table) (modify-syntax-entry 43 "." c-mode-syntax-table) (modify-syntax-entry 45 "." c-mode-syntax-table) (modify-syntax-entry 61 "." c-mode-syntax-table) (modify-syntax-entry 37 "." c-mode-syntax-table) (modify-syntax-entry 60 "." c-mode-syntax-table) (modify-syntax-entry 62 "." c-mode-syntax-table) (modify-syntax-entry 38 "." c-mode-syntax-table) (modify-syntax-entry 124 "." c-mode-syntax-table) (modify-syntax-entry 39 "\"" c-mode-syntax-table)) (defconst c-indent-level 2 "\ *Indentation of C statements with respect to containing block.") (defconst c-brace-imaginary-offset 0 "\ *Imagined indentation of a C open brace that actually follows a statement.") (defconst c-brace-offset 0 "\ *Extra indentation for braces, compared with other text in same context.") (defconst c-argdecl-indent 5 "\ *Indentation level of declarations of C function arguments.") (defconst c-label-offset -2 "\ *Offset of C label lines and case statements relative to usual indentation.") (defconst c-continued-statement-offset 2 "\ *Extra indent for lines not starting new statements.") (defconst c-continued-brace-offset 0 "\ *Extra indent for substatements that start with open-braces. This is in addition to c-continued-statement-offset.") (defconst c-auto-newline nil "\ *Non-nil means automatically newline before and after braces, and after colons and semicolons, inserted in C code.") (defconst c-tab-always-indent t "\ *Non-nil means TAB in C mode should always reindent the current line, regardless of where in the line point is when the TAB command is used.") (defun c-mode nil "\ Major mode for editing C code. Expression and list commands understand all C brackets. Tab indents for C code. Comments are delimited with /* ... */. Paragraphs are separated by blank lines only. Delete converts tabs to spaces as it moves back. \\{c-mode-map} Variables controlling indentation style: c-tab-always-indent Non-nil means TAB in C mode should always reindent the current line, regardless of where in the line point is when the TAB command is used. c-auto-newline Non-nil means automatically newline before and after braces, and after colons and semicolons, inserted in C code. c-indent-level Indentation of C statements within surrounding block. The surrounding block's indentation is the indentation of the line on which the open-brace appears. c-continued-statement-offset Extra indentation given to a substatement, such as the then-clause of an if or body of a while. c-continued-brace-offset Extra indentation given to a brace that starts a substatement. This is in addition to c-continued-statement-offset. c-brace-offset Extra indentation for line if it starts with an open brace. c-brace-imaginary-offset An open brace following other text is treated as if it were this far to the right of the start of its line. c-argdecl-indent Indentation level of declarations of C function arguments. c-label-offset Extra indentation for line that is a label, or case or default. Settings for K&R and BSD indentation styles are c-indent-level 5 8 c-continued-statement-offset 5 8 c-brace-offset -5 -8 c-argdecl-indent 0 8 c-label-offset -5 -8 Turning on C mode calls the value of the variable c-mode-hook with no args, if that value is non-nil." (interactive) (byte-code "ÓÔ Õ!Ö×Ø!ÙÆ!ÚPÙÈ!ÙÉ!Ê ÙË!ÛÙÌ!ÊÙÍ!ÜÙÎ!ÝÙÏ!ÞÙÐ!ßÙÑ!àÙÒ!Êáâ!" [c-mode-map major-mode mode-name local-abbrev-table c-mode-abbrev-table c-mode-syntax-table paragraph-start page-delimiter paragraph-separate paragraph-ignore-fill-prefix t indent-line-function require-final-newline comment-start comment-end comment-column comment-start-skip comment-indent-hook parse-sexp-ignore-comments nil kill-all-local-variables use-local-map c-mode "C" set-syntax-table make-local-variable "^$\\|" c-indent-line "/* " " */" 32 "/\\*+ *" c-comment-indent run-hooks c-mode-hook] 16)) (defun c-comment-indent nil (byte-code "ÁÂ! ÃÄÅ!iT])" [comment-column looking-at "^/\\*" 0 skip-chars-backward " "] 4)) (defun electric-c-brace (arg) "\ Insert character and correct line's indentation." (interactive "P") (byte-code "ÄÄ ?&l&ÆÇ!n)& %È É Ã&ÄLcÈ >É `ÊZÈ GTbËÌ!)^bÍÎ !!)cÍÎ !!)" [insertpos arg c-auto-newline t nil last-command-char skip-chars-backward " " c-indent-line newline 2 delete-char -1 self-insert-command prefix-numeric-value] 12)) (defun electric-c-semi (arg) "\ Insert character and correct line's indentation." (interactive "P") (byte-code "ÂÃ !ÄÅ !!" [c-auto-newline arg nil electric-c-terminator self-insert-command prefix-numeric-value] 4)) (defun electric-c-terminator (arg) "\ Insert character and correct line's indentation." (interactive "P") (byte-code "ÆÆ` ?TlTÇ ÈÉ!gÊURË=7ÌÍ!?7ÎÏ!ÈÉ!` W)RÐ Ñ` \"Ò8QÓ8QÔ8))?cÕ rÖ ?r× `ØZÕ {TbÙÚ!)bÛÜ !!)ÛÜ !!*" [insertpos end arg last-command-char pps c-auto-newline nil beginning-of-line skip-chars-forward " " 35 58 looking-at "case[ ]" forward-word 1 beginning-of-defun parse-partial-sexp 3 4 5 c-indent-line c-inside-parens-p newline 2 delete-char -1 self-insert-command prefix-numeric-value] 17)) (defun c-inside-parens-p nil (byte-code "ÀÁÂ" [nil (byte-code "À`Á `\"dbÂ`ÃÄ#efÅU))" [narrow-to-region beginning-of-defun scan-lists -1 1 40] 6) ((error (byte-code "À" [nil] 1)))] 3)) (defun c-indent-command (&optional whole-exp) "\ Indent current line as C code, or in some cases insert a tab character. If c-tab-always-indent is non-nil (the default), always indent current line. Otherwise, indent the current line only if point is at the left margin or in the line's indentation; otherwise insert a tab. A numeric argument, regardless of its value, means indent rigidly all the lines of the expression starting after point so that this line becomes properly indented. The relative indentation among the lines of the expression are preserved." (interactive "P") (byte-code "Å=Æ ÅÅÇ `ÈÉ!` bÊÉ!`) V9Ë Ì$+T?JÍÎ!n?)RÏ TÆ " [whole-exp shift-amt beg end c-tab-always-indent nil c-indent-line beginning-of-line forward-sexp 1 forward-line indent-code-rigidly "#" skip-chars-backward " " insert-tab] 9)) (defun c-indent-line nil "\ Indent current line as C code. Return the amount the indentation changed by." (byte-code "ÊÁ!ÁÁÁd`ZË `Á=\"Ì Æ=/Í ÎÏ!;Ð ÑÒ!<H@ÎÓ!^ÎÔ!^ÕÖ!Î×!)lÖ\\] ÎØ!vÎÙ!?Ú Ì ) gÛUZ gÜU \\ÑÒ!iZÝ!ÀdZ`V½dZbÔÞ `\"jdZ`VÔdZb-" [indent nil beg shift-amt case-fold-search pos t c-label-offset c-indent-level c-brace-offset calculate-c-indent beginning-of-line current-indentation calculate-c-indent-within-comment looking-at "[ ]*#" 0 skip-chars-forward " " "case[ ]" "[A-Za-z]" forward-sexp 1 ":" "else\\b" "else\\s_" c-backward-to-start-of-if 125 123 zerop delete-region] 19)) (defun calculate-c-indent (&optional parse-start) "\ Return appropriate indentation for current line as C code. In usual case returns an integer: the column to indent to. Returns nil if line starts inside a string, t if in a comment." (byte-code "Ð `ÂÂÂbÑ `W3`Ò`Ó#A@Ô8=Õ8FÕ8À?®bÖ×!gØU\\Ó«Ùbe!ÚÛÂÜ#ÝÞ!Ýß!àÓ!Sbáâ!`Wgã>?Ó)o hä>§Ó©\\)ÀåfØ\"¾TbiÀbÙ!hæ=âhç=â`èZfé=âê`èZf!ë>ùhæ=îì!Ð Ù!Åhí>?\"ì!îibÖ×!gØ=) Ó#Àbïâ!ÓÖð!Ýñ!fgòUCóâ!bgôUUïè!õöÂÜ#b÷ `)õø!-`W`V|ù Z}igØUÓZ))Àînú!£\\¥û×!n±Ó³hü=¼áý!ù #,)" [indent-point case-fold-search nil state containing-sexp parse-start basic-indent c-argdecl-indent c-continued-statement-offset t c-continued-brace-offset colon-line-end c-label-offset c-brace-offset c-indent-level c-brace-imaginary-offset beginning-of-line beginning-of-defun parse-partial-sexp 0 3 4 skip-chars-forward " " 123 c-backward-to-noncomment re-search-backward "^[^ #]" move looking-at "\\sw\\|\\s_" "[^\" =(]*(" match-end forward-sexp 1 (44 59) (41 59 125) /= 44 58 2 39 char-syntax (119 95) c-backward-to-start-of-continued-exp (nil 44 59 125 123) + forward-char " " "#\\|/\\*\\|case[ ].*:\\|[a-zA-Z0-9_$]*:" 35 forward-line 47 search-forward "*/" end-of-line ":" current-indentation zerop skip-chars-backward 41 -1] 36)) (defun calculate-c-indent-within-comment nil "\ Return the indentation amount for line, assuming that the current line is to be regarded as part of a block comment." (byte-code "ÃÃÄ ÅÆ!gÇUÈÉ!`Ä ÅÆ!ÊËÂ#2 2ÌÍ!Tbi)*" [end star-start t nil beginning-of-line skip-chars-forward " " 42 skip-chars-backward " " re-search-forward "/\\*[ ]*" match-beginning 0] 9)) (defun c-backward-to-noncomment (lim) (byte-code "ÃÃ ?NÄÅ \"``Æ \\Y#ÇÈ!ÉÊ!).ËÌ Í#J` XAÎ ÏÐ!ÉÑ!?) JÎ *" [opoint stop lim nil skip-chars-backward " " 2 forward-char -2 looking-at "\\*/" search-backward "/*" move beginning-of-line skip-chars-forward " " "#"] 10)) (defun c-backward-to-start-of-continued-exp (lim) (byte-code "hÁU ÂÃ!Ä `XTbÅÆ!" [lim 41 forward-sexp -1 beginning-of-line skip-chars-forward " "] 4)) (defun c-backward-to-start-of-if (&optional limit) "\ Move to the start of the last ``unbalanced'' if." (byte-code "Ä `)ÅÃÆ !?FÇÅ!ÈÉ!) TBÈÊ!6 SB`WBËb*" [limit if-level case-fold-search nil beginning-of-defun 1 zerop backward-sexp looking-at "else\\b" "if\\b" 0] 8)) (defun mark-c-function nil "\ Put mark at end of C function, point at beginning." (interactive) (byte-code "ÀÁ`!Â Á`!Ã Ä " [nil push-mark end-of-defun beginning-of-defun backward-paragraph] 6)) (defun indent-c-exp nil "\ Indent each line of the C grouping following point." (interactive) (byte-code "ÁÁC`CÁÁÁÁÁÁÁÁÁÁ`Ø ÙÚ!)Ám?;?,Á?WmVÐ?°Û`Ü `ÁÁ%@AA@AA@ØYAA@ Ý8Þ ß8¨àÚ!¬ÐIØX»ÐÄÁ(á8VÞA ASÄâ\"ìÁ WÁBÁ BTí @?ã A@Ùä!`)\"àÚ!åæ!l0Á(@9@ØYâ @fç\"M@ èé!gçUê!hë>?ì @!íi{|Ø# î!ï @ )³ð@§@[!ã \")èñ!Éèò!ÉÙÚ!èó!)ÖÚ \\] gôUå Z gçUô \\ i UgõUö`÷ `\" jè!(øÜ `)Ð#(ù ÷ 4)." [indent-stack nil contain-stack case-fold-search restart outer-loop-done inner-loop-done state ostate this-indent last-sexp at-else at-brace opoint next-depth last-depth t c-continued-statement-offset c-continued-brace-offset val c-label-offset c-indent-level c-brace-offset comment-start-skip 0 forward-sexp 1 parse-partial-sexp end-of-line 4 c-indent-line 3 forward-line 6 /= setcar -1 skip-chars-forward " " 123 looking-at "else\\W" c-backward-to-noncomment (nil 44 59 125 58 123) c-backward-to-start-of-continued-exp + c-backward-to-start-of-if current-indentation calculate-c-indent "case[ ]" "[A-Za-z]" ":" 125 35 delete-region beginning-of-line re-search-forward indent-for-comment] 32))